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Finding the Fourth Proportional to 127,921.61, 176,532.24 and 71,336.63

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Solution

The fourth proportional to 127,921.61, 176,532.24 and 71,336.63 is: 98,444.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,921.61 : 176,532.24 = 71,336.63 : x
  2. Step 2: Convert to fraction form
    127,921.61/176,532.24 = 71,336.63/x
  3. Step 3: Cross multiply
    127,921.61x = 176,532.24 × 71,336.63
  4. Step 4: Simplify right side
    127,921.61x = 12,593,215,087.95
  5. Step 5: Solve for x
    x = 12,593,215,087.95/127,921.61
  6. Step 6: Final answer
    x = 98,444.78

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